99713238 has 8 divisors (see below), whose sum is σ = 199426488. Its totient is φ = 33237744.

The previous prime is 99713233. The next prime is 99713239. The reversal of 99713238 is 83231799.

It is a sphenic number, since it is the product of 3 distinct primes.

99713238 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 99713238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99713231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8309431 + ... + 8309442.

It is an arithmetic number, because the mean of its divisors is an integer number (24928311).

Almost surely, 2^99713238 is an apocalyptic number.

99713238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

99713238 is a wasteful number, since it uses less digits than its factorization.

99713238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16618878.

The product of its digits is 81648, while the sum is 42.

The square root of 99713238 is about 9985.6516061797. The cubic root of 99713238 is about 463.7147814862.

The spelling of 99713238 in words is "ninety-nine million, seven hundred thirteen thousand, two hundred thirty-eight".